| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [not/n't] be thought | 7 |
|
| 2 | it must [not/n't] be thought | 7 |
|
| 3 | it must [not/n't] be thought | 7 |
|
| 4 | [pers pn] must [not/n't] be thought | 7 |
|
| 5 | must [not/n't] be thought that | 6 |
|
| 6 | must [not/n't] be thought that | 6 |
|
| 7 | must [not/n't] be thought [that] | 6 |
|
| 8 | must [not/n't] be thought [conj] | 6 |
|
